Search a number
-
+
87380760437411 = 778715861455879
BaseRepresentation
bin10011110111100011101011…
…001011111010001010100011
3102110101112000102202022202212
4103313203223023322022203
542423121244132444121
6505502100035432335
724256023462524420
oct2367435313721243
9373345012668685
1087380760437411
1125929a77289731
129972b87a556ab
13399ac7cb316cc
141781373a94d47
15a17e9292525b
hex4f78eb2fa2a3

87380760437411 has 8 divisors (see below), whose sum is σ = 99990617867520. Its totient is φ = 74802625920648.

The previous prime is 87380760437401. The next prime is 87380760437449. The reversal of 87380760437411 is 11473406708378.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 87380760437411 - 238 = 87105882530467 is a prime.

It is a super-2 number, since 2×873807604374112 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87380760437401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7930722431 + ... + 7930733448.

It is an arithmetic number, because the mean of its divisors is an integer number (12498827233440).

Almost surely, 287380760437411 is an apocalyptic number.

87380760437411 is a deficient number, since it is larger than the sum of its proper divisors (12609857430109).

87380760437411 is a wasteful number, since it uses less digits than its factorization.

87380760437411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15861456673.

The product of its (nonzero) digits is 18966528, while the sum is 59.

The spelling of 87380760437411 in words is "eighty-seven trillion, three hundred eighty billion, seven hundred sixty million, four hundred thirty-seven thousand, four hundred eleven".

Divisors: 1 7 787 5509 15861455879 111030191153 12482965776773 87380760437411